// ─── Auth ────────────────────────────────────────────────────────────────────

export type Role = 'super_admin' | 'hotel_manager' | 'housekeeper'

export interface User {
  id: string
  email: string
  name: string
  role: Role
  hotelId: string | null
  hotelName?: string
  hotelSlug?: string
  avatarUrl?: string
  createdAt?: string
  updatedAt?: string
}

export interface AuthSession {
  user: User
  token: string
}

// ─── Hotel ───────────────────────────────────────────────────────────────────

export type HotelPlan = 'starter' | 'pro' | 'enterprise'

export interface Hotel {
  id: string
  name: string
  slug: string
  address?: string
  phone?: string
  timezone: string
  currency: string
  checkInTime?: string
  checkOutTime?: string
  logoUrl?: string
  plan: HotelPlan
  isActive?: boolean
  roomCount?: number
  activeBookings?: number
  createdAt: string
}

// ─── Room ────────────────────────────────────────────────────────────────────

export type RoomStatus = 'available' | 'occupied' | 'maintenance' | 'blocked'
export type HousekeepingStatus = 'clean' | 'dirty' | 'cleaning' | 'inspect'
export type BedType = 'single' | 'double' | 'queen' | 'king' | 'twin'

export type BedItemType = 'single' | 'double' | 'queen' | 'king' | 'twin' | 'sofa' | 'bunk' | 'cot'

export interface BedItem {
  type: string
  count: number
}

export interface ExtraPlace {
  enabled: boolean
  count: number    // max extra places available
  price: number    // price per extra place per night
}

export interface ChildPolicy {
  enabled: boolean
  freeUnderAge: number    // children strictly under this age stay free
  chargeFromAge: number   // children this age and above pay for extra place
}

export interface RoomCategory {
  id: string
  hotelId: string
  name: string
  description: string
  photos: string[]
  color: string
  amenities: string[]
}

export interface Room {
  id: string
  hotelId: string
  number: string
  name?: string
  floor: number
  type: string
  bedType: BedType
  maxGuests: number
  baseRate: number
  status: RoomStatus
  housekeepingStatus: HousekeepingStatus
  amenities: string[]
  sortOrder: number
  allowHourly?: boolean
  hourlyRate?: number
  description?: string
  photos?: string[]
  categoryId?: string
  beds?: BedItem[]
  extraPlace?: ExtraPlace
  childPolicy?: ChildPolicy
  earlyCheckinFee?: number
  lateCheckoutFee?: number
  maintenanceFrom?: string | null  // ISO date, null = indefinite start
  maintenanceTo?: string | null    // ISO date, null = indefinite end
}

export interface DocumentTemplate {
  id: string
  hotelId: string
  name: string
  type: 'registration' | 'invoice' | 'contract' | 'info'
  content: string
  forCheckIn: boolean
  printOrder: number
}

// ─── Guest ───────────────────────────────────────────────────────────────────

export interface Guest {
  id: string
  hotelId: string
  firstName: string
  lastName: string
  email: string
  phone?: string
  nationality?: string
}

// ─── Booking ─────────────────────────────────────────────────────────────────

export type BookingStatus =
  | 'inquiry'
  | 'confirmed'
  | 'checked_in'
  | 'checked_out'
  | 'cancelled'
  | 'no_show'

export type BookingSource =
  | 'direct'
  | 'booking_com'
  | 'airbnb'
  | 'expedia'
  | 'other'

export interface Booking {
  id: string
  hotelId: string
  roomId: string
  guestId: string
  guestName: string
  guestEmail: string
  guestPhone?: string
  checkIn: string   // ISO date YYYY-MM-DD
  checkOut: string  // ISO date YYYY-MM-DD
  status: BookingStatus
  source: BookingSource
  channelBookingId?: string
  totalAmount: number
  paidAmount: number
  adults: number
  children: number
  notes?: string
  createdAt: string
}

export interface DraftBooking {
  roomId: string
  checkIn: string
  checkOut: string
}

// ─── Channel ─────────────────────────────────────────────────────────────────

export type ChannelName = 'booking_com' | 'airbnb' | 'expedia' | 'vrbo' | 'yandex_travel' | 'ostrovok' | 'sutochno' | 'onetwotrip'
export type SyncStatus = 'idle' | 'syncing' | 'success' | 'error'

export interface ChannelMapping {
  localRoomId: string
  channelRoomId: string
  channelRoomName: string
}

export interface Channel {
  id: string
  hotelId: string
  name: ChannelName
  displayName: string
  isEnabled: boolean
  lastSyncAt: string | null
  lastSyncStatus: SyncStatus
  lastSyncError?: string
  bookingsImported: number
  mappings: ChannelMapping[]
}

// ─── Housekeeping ─────────────────────────────────────────────────────────────

export interface HousekeepingTask {
  id: string
  hotelId: string
  roomId: string
  roomNumber: string
  assignedToId?: string
  assignedToName?: string
  priority: 'low' | 'medium' | 'high' | 'urgent'
  status: 'pending' | 'in_progress' | 'done'
  notes?: string
  maintenanceNote?: string
  maintenanceSeverity?: 'low' | 'medium' | 'high'
  roomBlocked?: boolean
  dueDate: string
  completedAt?: string
  type: 'cleaning' | 'inspection' | 'maintenance'
}

// ─── API Docs ─────────────────────────────────────────────────────────────────

export interface ApiEndpoint {
  method: 'GET' | 'POST' | 'PATCH' | 'DELETE' | 'PUT'
  path: string
  summary: string
  description?: string
  tags: string[]
  auth: boolean
  roles?: Role[]
  requestBody?: string
  response?: string
}